Home / 28,879.88-43,295.52-14,081.18

Finding the Fourth Proportional to 28,879.88, 43,295.52 and 14,081.18

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Solution

The fourth proportional to 28,879.88, 43,295.52 and 14,081.18 is: 21,109.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879.88 : 43,295.52 = 14,081.18 : x
  2. Step 2: Convert to fraction form
    28,879.88/43,295.52 = 14,081.18/x
  3. Step 3: Cross multiply
    28,879.88x = 43,295.52 × 14,081.18
  4. Step 4: Simplify right side
    28,879.88x = 609,652,010.31
  5. Step 5: Solve for x
    x = 609,652,010.31/28,879.88
  6. Step 6: Final answer
    x = 21,109.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.